Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1988-04-05
1989-09-26
Combs, E. Michael
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72128, 72148, 72202, B21C 4706, B21C 4718
Patent
active
048690899
ABSTRACT:
A coil box apparatus provided between a roughing roll and a finishing mill at a hot rolling mill so as to coil a rolled material transported from the roughing mill in order to make the temperature distribution of the rolled material more uniform, which is provided with a controller for computing a stand-by time of the coiled rolled material in a coil box on the basis of a condition of proceeding a rolling operation of an advanced rolled material at the finishing mill of the downstream side process, and predicting a temperature difference between the outermost first coiled layer and the inside coiled layers from the second coiled layer of the coiled rolled material after the lapse of the computed stand-by time with reference to information of the previously stored temperature drop at each part of the coiled rolled material, so that when the predicted value is larger than the reference value, the coiled rolled material is covered on the surface of the outermost first coiled layer thereof by coil covers formed of heat insulating material.
REFERENCES:
patent: 4263798 (1981-04-01), Wladika et al.
patent: 4442690 (1984-04-01), Hirschmanner et al.
patent: 4485651 (1984-12-01), Tippins et al.
patent: 4589268 (1986-05-01), Sakurada et al.
patent: 4703640 (1987-11-01), Buchegger et al.
patent: 4761983 (1988-08-01), Ginzberg et al.
Combs E. Michael
Mitsubishi Denki & Kabushiki Kaisha
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